William died from a blood clot, he had a broken hip. The source of his death date is taken from his son Clyde's obituary. Also from his wife's obituary.
BURIAL PERMIT STUBS OF MONROE COUNTY IOWA
17 July 1956 to 26 Oct 1956
FORD, WILLIAM A - Died 9 Oct 1956 at Albia, Ia. of cardiac block & Thrombosis. Buried at Albia, Ia. Funeral director John C. Newman of Oskaloosa, Ia. Date issued 15 Oct 1956 by Bess Wilkerson